SDI/'Star Wars' Laser Ruby Loose Faceted Stones, Fancy Cuts Stone:5.19ct Square Cut and often have cool crystallization

and often have cool crystallization features on the surface as well

I don't think fantasy cut lithium niobate has ever been available before--it's an odd combination

allowing it to function in the unforgiving environment outside our atmosphere

In addition to the original limited run of signed and numbered rubies we also have unnumbered Styro rubies which are not signed and come in a variety of shapes and sizes

SDI/'Star Wars' Laser Ruby Loose Faceted Stones, Fancy Cuts Stone:5.19ct Square Cut and often have cool crystallizationThese are lab created laser rubies grown for use in the Strategic Defense Initiative, aka 'Star Wars' program, in the 1980s. Like all rubies they have a high hardness of 9, great brilliance and glow red under UV. This is the most classic gem produced by science: laser ruby. While material of this color would be called 'pink sapphire' in a gemological context, in laser science all corundum doped with chromium is considered ruby (in contrast to pink